Answers for Example Problems
Easy Problems
1. 60°
2. Sin= -√2/2 Cos= -√2/2 Tan= 1
3. Sin= -1/2 Cos= -√3/2 Tan= √3/3
2. Sin= -√2/2 Cos= -√2/2 Tan= 1
3. Sin= -1/2 Cos= -√3/2 Tan= √3/3
Medium Problems
1. Sin= 24/25 Cos= 7/25 Tan= 24/7 Csc= 25/24 Sec= 25/7 Cot= 7/24
2. Sin= √2/2 Cos= -√2/2 Tan= -1
3. θ'= π/3
2. Sin= √2/2 Cos= -√2/2 Tan= -1
3. θ'= π/3
Challenging Problems
1. sin= -15/17, cos= 8/17, tan= -15/8, csc= -17/15, sec= 17/8, cot= -8/15
2. θ’= 35°
3. Sin= √3/2 Cos= -1/2 Tan= -√3 Csc= 2√3/3 Sec= -2 Cot= -√3/3
2. θ’= 35°
3. Sin= √3/2 Cos= -1/2 Tan= -√3 Csc= 2√3/3 Sec= -2 Cot= -√3/3
Real World Application Problems
1. θ'= 55° ; the ramp is illegal.
2. θ'= π/3 and 60°
3. Measure of the rest of the eaten doughnut= 313° and 1.74π
Total number of degrees shared between both doughnuts= 673°
Total number of radians shared between both doughnuts= 3.74π
2. θ'= π/3 and 60°
3. Measure of the rest of the eaten doughnut= 313° and 1.74π
Total number of degrees shared between both doughnuts= 673°
Total number of radians shared between both doughnuts= 3.74π
